Benjamin a



B. A. MASON. RAILWAY GAR.

(No Model.)

Patented Oct. 11, 1,881

M -Earn? UNITED STATES PATENT OFFICE.

BENJAMIN A. MASON, OF NEW YORK, N. Y.

RAILWAY-CAR.

SPECIFICATION forming part of Letters Patent No. 248,188, dated October11, 1881.

Application filed September 8, 1881. (No model.)

To all whom it may concern Be it known that I, B. A. MASON, of New York,in the county of New York and State of New York, have invented certainnew and useful Improvements in Oil-Cars; and I do hereby declare thatthe following is a full, clear, and exact description thereof, referencebeing bad to the accompanying drawings, and to the letters of refer-ence marked thereon, which form part of this specification.

This invention relates to that class of cars known ascylinderorrevolving cars. A car of such class is usually provided withtwo or more cylindrical receptacles attached tothe axles and arranged toroll as they travel.

The objects of my improvement are, economyin construction andmaintenance, the reduction of friction to a minimum point, and lessexpenditure of locomotive-power in moving trains composed in whole or inpart of cars constructed on this plan, the means of ready access to allof the'bearings for the purpose of oiling the same while the train is inmotion, and also theimpro'vement in the details of construction. Theseobjects I attain by means of the devices illustrated in 'the drawings,in which- Figure l is a plan view ofthe car,viewed from its under side,and Fig. 2 is a central longitudinal section.

The letter A indicates the carplatform, which can be provided with anysuitable body for carrying freight.

B B are the cylindrical receptacles which roll as the ear traverses thetrack. These receptacles will have doors or valves at the end, and areprincipally adapted for containing oil. The cylinders are provided at ornear their ends with the flanged bands 0 O, which can either he formedwith the cylinders or made separately therefrom and'secured by suitablebolts, the last construction being preferable, since the cylinders willusually be made of boiler-iron. These bands constitute the wheels, andare each formed with the tread c, which is at the outer side of theannular flange c, and

also with the cylindrical hearing-surface c at the inner side of thesaid flangeof the wheel. The brake-shoes D, of any suitably-constructedbrake mechanism, are arranged to be applied against the treads of thewheels, and

are operated in the usual way.

A small cylindrical receptacle, E, is arranged between the two largecylinders B, and is provided at its end with a suitable valve. Thissmaller cylinder E is also provided at its ends with journals which havetheir hearings in brackets F F,that are secured to the platform of thecar.

Thecylinders B are each provided with two or more circumferential bands,I) b, and the intermediate cylinder is provided with a like pair ofbands, 0, which will be in contact with the bands of the two outercylinders. The rotation of theselarger outer cylinders will cause theintermediate cylinder to turn in its bearings, and they will be at alltimes maintained at an unvarying distance apart.

F F are small anti-friction rollers,which are mounted in brackets f,secured to the car platform. These rollers bear upon the upper sides ofthe cylindrical bearing-surfaces c of the wheels, and form supports forthe platform.

Two bent rods, G G, are firmly secured at their ends to thecar-platform, and are formed so as to pass under the cylinders. Theserods are provided with suitable bearings for the axles of theanti-frictiou wheels or rollers H, which are maintained in contact withthe cylindrical bearing-surfaces c of the wheels on the end cylinders,B, at points below the axes of said cylinders and at the outer sides ofthe latter.

I' I indicate the usual draw-heads, which can be connected with theplatform in any suitable way.

This system of anti-friction rollers' and small intermediate cylindermaintains the large rolling cylinders B in position under allcircumstances, the points of contact between the same being distributedabout as shown in Fig. 2.

It will be evident that openings or traps can be provided in theplatform, so that the bearings of the rollers can be oiled duringthetravel of the car in an easy and effective manner. The friction willbe reduced to a minimum,and there will be no hot boxes to be cared for.

The bands upon the intermediate rotary cylinder, E, may be grooved,andthe bands upon the larger outer or end cylinders adapted to fit in thesaid grooves, whereby any endwise or longitudinal movement on the partof the cylinders will be avoided.

What I claim isprovided with circumferential bands I), the re- -taryintermediate cylinder, E, provided with bands 0, maintained in contactwith the bands of the outer cylinders, and the anti-friction rollers,supported by brackets and rods, secured to the platform and arranged tomaintain the cylinders B in place, substantially as described.

In testimony that I claim the foregoing as my own I ailix my signaturein presence oi two witnesses.

3. A. MASON. Witnesses:

AUG. A. NloHoLsoN, T. H. ALEXANDER.

